adding new candidates for calculateDirection method replacement

src/xyz/soper/arty/util/ArtyMath.java

@@ -30,6 +30,19 @@ public class ArtyMath {
         return eastVector.angle(vector);
     }
 
+    public static double calculateDirectionDOTPRODUCT(Vector vector){
+        double x = vector.getX();
+        double z = vector.getZ();
+        double directionMagnitude = Math.sqrt((x*x)+(z*z));
+        //dot product is always going to just be the x value
+        //since the z value for the east vector is 0.
+        return Math.acos(x/directionMagnitude);
+    }
+
+    public static double calculateDirectionBASICTRIG(Vector vector){
+        return Math.atan(vector.getZ()/vector.getX());
+    }
+
     /**
      * Uses the elevation and direction angles given to return a unit vector corresponding to the angles.
      * @param elevation Angle of elevation in radians